The American Registry for Diagnostic Medical Sonography (ARDMS) and its companion council for physicians, the Alliance for Physician Certification and Advancement (APCA), are nonprofit, independent organizations that administer examinations and award the following credentials to ultrasound professionals: RDMS (Registered Diagnostic Medical Sonographer), RDCS (Registered Diagnostic Cardiac Sonographer), RVT (Registered Vascular Technologist), and RPVI (Registered Physician in Vascular Interpretation). For current information about the ARDMS and its exams, please visit
www.ARDMS.org. For information about the APCA exams visit
www.APCA.org.
Since 1981 Davies has developed and published reviews, mock exams, and study aids that are specifically designed to help prepare you for these exams—and to earn continuing medical education (CME) credit.